[The 50th birthday of primarius Dr Zdenĕk Laciga M.D]. Klimkovà-Deutschovà E. Cesk Neurol. 1972;35(6):325. PMID: 4585028
[50th birthday of Assistant Prof. Emil Kmety M.D]. Bakoss P. Cesk Epidemiol Mikrobiol Imunol. 1973 Nov;22(6):369-70. PMID: 4271769
[The First Internal Medicine Clinic at the Medical School of Charles University between two wars. I. What it was like at Hynek's clinic]. Horejsí J. Cas Lek Cesk. 1987 Jul 03;126(27):858-60. PMID: 3308099
[50th birthday of andrej dvorský, m.d., c.sc]. [No authors listed] Cesk Gastroenterol Vyz. 1974 Jan;28(1):77-8. PMID: 4615822
[50th birthday of Assistant Prof. Milos Brix, M.D]. [No authors listed] Cesk Gastroenterol Vyz. 1974 Jul;28(4):301. PMID: 4603039
[The 50th birthday of Assistant Prof. Vladimír Sícha, M.D]. Sazama L. Cesk Stomatol. 1977 Jul;77(4):318-9. PMID: 332389